cold call
ˌcold-ˈcallingBrE 
NAmE 
noun [uncountable]the practice of telephoning sb that you do not know, in order to sell them sth 
ˌcold ˈcall /BrE ; NAmE / noun
ˌcold-ˈcallingBrE NAmE noun [uncountable]the practice of telephoning sb that you do not know, in order to sell them sth ˌcold ˈcall /BrE ; NAmE / noun
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